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Finding the Fourth Proportional to 69,334.51, 103,797.65 and 42,954.43

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Solution

The fourth proportional to 69,334.51, 103,797.65 and 42,954.43 is: 64,305.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,334.51 : 103,797.65 = 42,954.43 : x
  2. Step 2: Convert to fraction form
    69,334.51/103,797.65 = 42,954.43/x
  3. Step 3: Cross multiply
    69,334.51x = 103,797.65 × 42,954.43
  4. Step 4: Simplify right side
    69,334.51x = 4,458,568,676.32
  5. Step 5: Solve for x
    x = 4,458,568,676.32/69,334.51
  6. Step 6: Final answer
    x = 64,305.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.